我有一个名为“ Player”的游戏对象,我的地图由短草和长草组成。如果我的播放器在长草上,我希望它放慢速度。另一个问题是我的游戏中有多个Long grass游戏对象。这是它们的屏幕截图:
这就是我当前的移动代码:
public class PlayerMovement : MonoBehaviour
{
public Sprite Up;
public Sprite Down;
public Sprite Right;
public Sprite Left;
public float speed;
private SpriteRenderer sr;
// Update is called once per frame
void Update()
{
Vector3 move;
if (Input.GetKey(KeyCode.W))
{
GetComponent<SpriteRenderer>().sprite = Up;
move = new Vector2(0, speed * Time.deltaTime);
transform.position += move;
}
if (Input.GetKey(KeyCode.A))
{
GetComponent<SpriteRenderer>().sprite = Left;
move = new Vector2(speed * Time.deltaTime, 0);
transform.position -= move;
}
if (Input.GetKey(KeyCode.D))
{
GetComponent<SpriteRenderer>().sprite = Right;
move = new Vector2(speed * Time.deltaTime, 0);
transform.position += move;
}
if (Input.GetKey(KeyCode.S))
{
GetComponent<SpriteRenderer>().sprite = Down;
move = new Vector2(0,speed * Time.deltaTime);
transform.position -= move;
}
}
}
// All my code does is that on each WASD, it changes to a different sprite and moves it.
请多加解释,因为我是一个初学者。
答案 0 :(得分:3)
void OnCollisionEnter2D(Collision2D col) { if(col.tag == "PlayerTag") { playerScriptWhereSpeedIsLocated.speed = 1 //the speed you want } }
答案 1 :(得分:1)
对此的一种解决方案是使用2D Trigger Colliders。
假设您的播放器具有某种2D碰撞器,则可以将触发器碰撞器附加到草对象上,然后当玩家通过添加{{3}输入/释放该触发器时,可以将消息发送到PlayerMovement脚本}和OnTriggerEnter2D方法添加到PlayerMovement类。这是一个可能如何工作的示例:
void OnTriggerEnter2D(Collider2D col)
{
// You can use gameObject.tag to determine what type of object we're colliding with
if(col.gameObject.tag == "LongGrass"){
speed = .8f;
}
}
void OnTriggerExit2D(Collider2D col)
{
if(col.gameObject.tag == "LongGrass"){
speed = 1f;
}
}
如果您有OnTriggerExit2D,我鼓励您研究 麻烦以这种方式检测碰撞。您还需要确保正确标记草才能使该方法起作用。